1 //===- MemoryObject.cpp - Abstract memory interface -----------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/Support/MemoryObject.h"
11 using namespace llvm;
12 
13 MemoryObject::~MemoryObject() {
14 }
15 
16 int MemoryObject::readBytes(uint64_t address,
17                             uint64_t size,
18                             uint8_t* buf) const {
19   uint64_t current = address;
20   uint64_t limit = getBase() + getExtent();
21 
22   if (current + size > limit)
23     return -1;
24 
25   while (current - address < size) {
26     if (readByte(current, &buf[(current - address)]))
27       return -1;
28 
29     current++;
30   }
31 
32   return 0;
33 }
34